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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef TOOLTIP_H
#define TOOLTIP_H
#include "texteditor/texteditor_global.h"
#include <QtCore/QSharedPointer>
#include <QtCore/QObject>
#include <QtCore/QTimer>
#include <QtCore/QRect>
#include <QtGui/QFont>
/*
* In its current form QToolTip is not extensible. So this is an attempt to provide a more
* flexible and customizable tooltip mechanism for Creator. Part of the code here is duplicated
* from QToolTip. This includes a private Qt header and the non-exported class QTipLabel, which
* here serves as a base tip class. Please notice that Qt relies on this particular class name in
* order to correctly apply the native styles for tooltips. Therefore the QTipLabel name should
* not be changed.
*/
QT_BEGIN_NAMESPACE
class QPoint;
class QWidget;
QT_END_NAMESPACE
namespace TextEditor {
namespace Internal {
class TipFactory;
class QTipLabel;
}
class TipContent;
class TEXTEDITOR_EXPORT ToolTip : public QObject
{
Q_OBJECT
private:
ToolTip();
public:
virtual ~ToolTip();
static ToolTip *instance();
void show(const QPoint &pos, const TipContent &content, QWidget *w = 0);
void show(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
void hide();
bool isVisible() const;
QFont font() const;
void setFont(const QFont &font);
virtual bool eventFilter(QObject *o, QEvent *event);
private slots:
void hideTipImmediately();
private:
bool acceptShow(const TipContent &content, const QPoint &pos, QWidget *w, const QRect &rect);
bool validateContent(const TipContent &content);
void setUp(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
bool tipChanged(const QPoint &pos, const TipContent &content, QWidget *w) const;
void setTipRect(QWidget *w, const QRect &rect);
void placeTip(const QPoint &pos, QWidget *w);
void showTip();
void hideTipWithDelay();
Internal::TipFactory *m_tipFactory;
Internal::QTipLabel *m_tip;
QWidget *m_widget;
QRect m_rect;
QTimer m_showTimer;
QTimer m_hideDelayTimer;
};
} // namespace TextEditor
#endif // TOOLTIP_H
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